KTR Damping ring Operating/Mounting Instructions

KTR Damping Ring is a device designed to isolate structure-borne noise between the bellhousing and pump. It's specifically designed for use in applications where noise reduction is critical, providing a quiet and efficient operation. The ring is easy to assemble, with clear instructions detailing the process. It's crucial to ensure proper installation and maintenance to maximize its performance and longevity.

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Damping ring
Operating/Assembly instructions
(Type D, locked)
KTR-N
Sheet:
Edition:
43010 EN
1 of 6
3
The damping ring serves for separation of structure-borne noise between bellhousing and pump.
Table of contents
1
Technical data
2
2
Advice
3
2.1
2.2
2.3
2.4
General advice
Safety and advice symbols
General hazard warnings
Intended use
3
3
3
3
Storage, transport and packaging
4
3.1
3.2
4
4
3
4
Storage
Transport and packaging
Assembly
4
4.1
4.2
4.3
4.4
4
5
5
6
Components of damping ring
Assembly of bellhousing with damping ring
Technical advice
Other information
5
Disposal
6
6
Spares inventory, customer service addresses
6
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
Damping ring
Operating/Assembly instructions
(Type D, locked)
1
KTR-N
Sheet:
Edition:
43010 EN
2 of 6
3
Technical data
Illustration 1: Damping ring
D150 to D330
Illustration 2: Damping ring
D84, D125 and D145
Table 1: Dimensions
Dimensions [mm]
Size
D150/..
D190/..
D230/..
D260/..
D330/..
D84/../A
D84/../C
D125/../A
D145/../A
B4
min.
18
30
97
97
120
Max.
83
121
143
164
208
B7
D1
D2
D3
D4
LD
L2
L3
L4
L5
L6
zxM
122
150
195
210
264
148
190
234
264
330
83
116
143
164
208
100
130
160
180
220
78
100
136
156
201
45
45
58
58
83
5
5
5
4
6
15
15
18
20
35
13
14
17
18
23
16
18
23
23
28
30
33
47
46
64
4 x M8
4 x M10
4 x M12
4 x M16
4 x M20
147
224
280
360
210
224
-
83
5
35
25
25
18
4 x M20
260
390
320
400
360
484
590
285
370
315
400
-
125
145
10
12
33
45
25
35
25
35
40
47
M20 2)
M20 2)
1)
1) Pitch circle diameter on request.
2) Number of connecting bores on request.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
Damping ring
Operating/Assembly instructions
(Type D, locked)
2
KTR-N
Sheet:
Edition:
43010 EN
3 of 6
3
Advice
2.1 General advice
Read carefully through these operating/assembly instructions before you start up the damping ring.
Pay special attention to the safety instructions!
The operating/assembly instructions are part of your product. Please store them carefully and close to the damping ring.
The copyright for these operating/assembly instructions remains with KTR.
2.2 Safety and advice symbols
STOP
!

Warning of personal injury
This symbol indicates notes which may contribute to preventing bodily injuries or serious bodily injuries that may
result in death.
Warning of product damages
This symbol indicates notes which may contribute to preventing material or machine damage.
General advice
This symbol indicates notes which may contribute to preventing adverse results or conditions.
2.3 General hazard warnings
STOP
With assembly and disassembly of the damping ring it has to be made sure that the entire
drive train is secured against accidental switch-on. You may be seriously hurt by rotating
parts. Make absolutely sure to read through and observe the following safety indications.
• All operations on and with the damping ring have to be performed taking into account &quot;safety first&quot;.
• Please make sure to switch off the power pack before you perform your work on the damping ring.
• Secure the power pack against accidental switch-on, e. g. by providing warning signs at the place of switch-on
or removing the fuse for current supply.
• Do not reach into the operation area of the machine as long as it is in operation.
• Secure the rotating drive components against accidental contact. Provide for the necessary protection devices
and covers.
2.4 Intended use
You may only assemble and disassemble the damping ring if you
• have carefully read through the operating/assembly instructions and understood them
• had technical training
• are authorized by your company
The damping ring may only be used in accordance with the technical data (see catalogue hydraulic components).
Unauthorized structural modifications on the damping ring are not admissible. We will not assume liability for any
damage that may arise. In the interest of further development we reserve the right for technical modifications.
The damping ring described in here corresponds to the technical status at the time of printing of these operating/assembly instructions.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
Damping ring
Operating/Assembly instructions
(Type D, locked)
3
KTR-N
Sheet:
Edition:
43010 EN
4 of 6
3
Storage, transport and packaging
3.1 Storage
The damping rings are supplied in preserved condition and can be stored at a dry and covered place for 6 - 9
months.
The storage rooms must not include any ozone-generating devices like e. g. fluorescent
light sources, mercury-vapour lamps or electrical high-voltage appliances.
Humid storage rooms are not suitable.
Make sure that condensation is not generated. The best relative air humidity is less than
65 %.
!
3.2 Transport and packaging
In order to avoid any injuries and any kind of damage always make use of proper transport
and lifting equipment.
!
The damping rings are packed differently each depending on size, number and kind of transport. Unless otherwise contractually agreed, packaging will follow the in-house packaging specifications of KTR.
4
Assembly
The damping ring is generally supplied ready for assembly.
4.1 Components of damping ring
Component
Quantity
1
1
2 1)
4 / 8 2)
3 1)
4 / 8 2)
Description
Damping ring
(Type D, locked)
Hexagon screws
DIN EN ISO 4017
Washers with taps DIN 463
1) Not included in the scope of delivery, please order separately.
2) with size D150 - D330 and D84 4-off;
with size D125 - D145 8-off
Illustration 3: Damping ring
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
Damping ring
Operating/Assembly instructions
(Type D, locked)
4
KTR-N
Sheet:
Edition:
43010 EN
5 of 6
3
Assembly
4.2 Assembly of bellhousing with damping ring
• The damping ring is put onto the bellhousing and screwed on (see picture 4).
• The screw lengths must be selected in such a way that, if possible, the complete length of the thread in the
damping ring is used. For tightening torques TA please refer to table 2.
Illustration 4: Assembly of bellhousing with damping ring
Table 2:
Hexagon screws
DIN EN ISO 4017 1)
Tightening torque TA [Nm] 2)
M8
M10
M12
M16
M20
12
23
40
100
190
1) min. property class 8.8
2) Tightening torques of property class 5.6

!
The screws must be fastened by using washers with tabs according to DIN 463.
When using oil, the sealing lips vulcanized on the bellhousing side must be inspected for
damage before mounting the damping ring.
The damping rings D84, D125 and D145 (without sealing lips) have to be sealed versus the
bellhousing via liquid sealer.
4.3 Technical advice

For permissible weights, temperature ranges as well as technical dimensions refer to catalogue „hydraulic components“.
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
Damping ring
Operating/Assembly instructions
(Type D, locked)
4
KTR-N
Sheet:
Edition:
43010 EN
6 of 6
3
Assembly
4.4 Other information
For assembly of the bellhousing-damping ring combination with electric motor and pump please refer to
KTR-N 41010 „Bellhousing Operating/assembly instructions“ (see picture 5).
Illustration 5: Combination of bellhousing - damping ring with electric motor and pump
The user is responsible for the sealing between damping ring and pump!
!
5
Disposal
In respect of environmental protection we would ask you to dispose of the packaging resp. products on termination of their service life in accordance with the legal regulations resp. standards that apply.
6
Spares inventory, customer service addresses
A basic requirement to ensure the operational readiness of the damping ring is a stock of the most important
spare parts on site.
Contact addresses of the KTR partners for spare parts and orders can be obtained from the KTR homepage at
www.ktr.com.

KTR does not assume any liability or warranty for the use of spare parts and accessories
which are not provided by KTR and for the damages which may incur as a result.
KTR Systems GmbH
Carl-Zeiss-Str. 25
D-48432 Rheine
Phone: +49 5971 798-0
E-mail: [email protected]
Please observe protection
note ISO 16016.
Drawn:
Verified:
2024-06-19 Pz/Ksp
2024-06-19 Pz
Replacing:
Replaced by:
KTR-N dated 2017-01-02
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Key Features

Noise isolation
Easy assembly
Type D, locked
For use with bellhousing and pump
Various sizes available
Requires proper maintenance

Frequently Answers and Questions

What is the purpose of the KTR Damping Ring?

The KTR Damping Ring is designed to isolate structure-borne noise between the bellhousing and pump, minimizing noise levels during operation.

How do I assemble the KTR Damping Ring with the bellhousing?

The assembly process involves placing the damping ring onto the bellhousing and securing it with screws and washers. Refer to the assembly instructions in the provided manual for detailed guidance.

What type of maintenance is required for the KTR Damping Ring?

Regularly inspect the sealing lips for damage, especially when using oil. Also, ensure that the screws are properly tightened according to the specified torque values. Refer to the manual for further maintenance instructions.